Butyric acid, 250μg/ml in Water, 1ml Back Catalog number: 31796-1 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50757 ICP CLP Mix Price on request 8538.18 Diisopentyl phthalate: Se 8425.18, , Solvent-, Unit , # of units-, Cas.no. 605-50-5 Price on request 51066 ASTM D-4815 Calibration Mix #3 Price on request